165220990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{337}}^1\times {\mathrm{4457}}^1$

素因数の和:4812

約数の個数: 32

約数和(自身を含む): 325469664

約数和(自身を除く): 160248674

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 337, 674, 1685, 3370, 3707, 4457, 7414, 8914, 18535, 22285, 37070, 44570, 49027, 98054, 245135, 490270, 1502009, 3004018, 7510045, 15020090, 16522099, 33044198, 82610495, 165220990]

約数ペア:

[(1, 165220990), (2, 82610495), (5, 33044198), (10, 16522099), (11, 15020090), (22, 7510045), (55, 3004018), (110, 1502009), (337, 490270), (674, 245135), (1685, 98054), (3370, 49027), (3707, 44570), (4457, 37070), (7414, 22285), (8914, 18535)]